[go: up one dir, main page]

EP3137715A4 - Multilateral junction fitting for intelligent completion of well - Google Patents

Multilateral junction fitting for intelligent completion of well Download PDF

Info

Publication number
EP3137715A4
EP3137715A4 EP14897380.3A EP14897380A EP3137715A4 EP 3137715 A4 EP3137715 A4 EP 3137715A4 EP 14897380 A EP14897380 A EP 14897380A EP 3137715 A4 EP3137715 A4 EP 3137715A4
Authority
EP
European Patent Office
Prior art keywords
well
junction fitting
intelligent completion
multilateral junction
multilateral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14897380.3A
Other languages
German (de)
French (fr)
Other versions
EP3137715A1 (en
Inventor
David J. Steele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Halliburton Energy Services Inc
Original Assignee
Halliburton Energy Services Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of EP3137715A1 publication Critical patent/EP3137715A1/en
Publication of EP3137715A4 publication Critical patent/EP3137715A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E21B41/0042—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches characterised by sealing the junction between a lateral and a main bore
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Electric Cable Installation (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP14897380.3A 2014-07-10 2014-07-10 Multilateral junction fitting for intelligent completion of well Withdrawn EP3137715A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2014/046226 WO2016007165A1 (en) 2014-07-10 2014-07-10 Multilateral junction fitting for intelligent completion of well

Publications (2)

Publication Number Publication Date
EP3137715A1 EP3137715A1 (en) 2017-03-08
EP3137715A4 true EP3137715A4 (en) 2018-04-18

Family

ID=55064628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14897380.3A Withdrawn EP3137715A4 (en) 2014-07-10 2014-07-10 Multilateral junction fitting for intelligent completion of well

Country Status (13)

Country Link
US (2) US10472933B2 (en)
EP (1) EP3137715A4 (en)
CN (1) CN106460470B (en)
AR (1) AR101110A1 (en)
AU (1) AU2014400608B2 (en)
BR (1) BR112016028863B1 (en)
CA (1) CA2951021C (en)
GB (1) GB2545339B (en)
MX (1) MX383465B (en)
NO (1) NO20161885A1 (en)
RU (1) RU2651677C1 (en)
SG (1) SG11201609326XA (en)
WO (1) WO2016007165A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015032815B1 (en) * 2013-07-31 2021-05-18 Halliburton Energy Services, Inc set configured to be disposed within a well, and method for completing a well
SG11201609326XA (en) 2014-07-10 2016-12-29 Halliburton Energy Services Inc Multilateral junction fitting for intelligent completion of well
US10344570B2 (en) 2014-09-17 2019-07-09 Halliburton Energy Services, Inc. Completion deflector for intelligent completion of well
US11506024B2 (en) 2017-06-01 2022-11-22 Halliburton Energy Services, Inc. Energy transfer mechanism for wellbore junction assembly
WO2018222197A1 (en) 2017-06-01 2018-12-06 Halliburton Energy Services, Inc. Energy transfer mechanism for wellbore junction assembly
GB2577467B (en) 2017-09-19 2022-07-13 Halliburton Energy Services Inc Energy transfer mechanism for a junction assembly to communicate with a lateral completion assembly
GB2593458B (en) 2017-12-19 2022-04-27 Halliburton Energy Services Inc Energy transfer mechanism for wellbore junction assembly
RU2752579C1 (en) 2017-12-19 2021-07-29 Хэллибертон Энерджи Сервисиз, Инк. Power transmission mechanism for a connecting assembly of a wellbore
WO2021041331A1 (en) 2019-08-30 2021-03-04 Halliburton Energy Services, Inc. A multilateral junction
US12110768B2 (en) * 2019-11-21 2024-10-08 Halliburton Energy Services, Inc Multilateral completion systems and methods to deploy multilateral completion systems
CA3159169A1 (en) 2020-01-17 2021-07-22 Michael Linley Fripp Heaters to accelerate setting of expandable metal
AU2021209133A1 (en) 2020-01-17 2022-06-09 Halliburton Energy Services, Inc. Voltage to accelerate/decelerate expandable metal
NO20230030A1 (en) 2020-08-13 2023-01-12 Halliburton Energy Services Inc Expandable metal displacement plug
CN111946289B (en) * 2020-09-08 2023-02-10 中国石油天然气股份有限公司 Multi-channel flow divider for cluster pipe wellhead
CN111946291B (en) * 2020-09-08 2022-11-04 中国石油天然气股份有限公司 Connecting device for inner channel of cluster pipe wellhead pipe cutting butt joint
CN111963094B (en) * 2020-09-08 2022-11-01 中国石油天然气股份有限公司 Cluster pipe two-gas co-production tubular column
US11692417B2 (en) * 2020-11-24 2023-07-04 Saudi Arabian Oil Company Advanced lateral accessibility, segmented monitoring, and control of multi-lateral wells
CA3189514A1 (en) * 2020-11-27 2022-06-02 Halliburton Energy Services, Inc. Electrical transmission in a well using wire mesh
US12037853B2 (en) 2020-11-27 2024-07-16 Halliburton Energy Services, Inc. Travel joint for tubular well components
WO2022146422A1 (en) 2020-12-30 2022-07-07 Halliburton Energy Services, Inc. Interval control valve including an expanding metal sealed and anchored joints
AU2020484443A1 (en) * 2020-12-30 2023-03-02 Halliburton Energy Services, Inc. Multilateral junction having expanding metal sealed and anchored joints
US12345116B2 (en) 2021-04-12 2025-07-01 Halliburton Energy Services, Inc. Expandable metal as backup for elastomeric elements
US12091918B2 (en) * 2021-04-15 2024-09-17 Halliburton Energy Services, Inc. Downhole rotary slip ring joint to allow rotation of assemblies with multiple control lines
CA3209572A1 (en) 2021-05-21 2022-11-24 Halliburton Energy Services, Inc. A wellbore anchor including one or more activation chambers
BR112023020413A2 (en) 2021-05-28 2023-12-12 Halliburton Energy Services Inc DOWNHOLE TOOL, METHOD FOR SEALING WITHIN A WELL SYSTEM, AND, WELL SYSTEM
MX2023011988A (en) 2021-05-28 2023-10-23 Halliburton Energy Services Inc Individual separate chunks of expandable metal.
WO2022255988A1 (en) 2021-06-01 2022-12-08 Halliburton Energy Services, Inc. Expanding metal used in forming support structures
CN116411939A (en) * 2021-12-31 2023-07-11 中国石油天然气集团有限公司 Short joint is measured to rotatory direction instrument
US12258828B2 (en) 2022-06-15 2025-03-25 Halliburton Energy Services, Inc. Sealing/anchoring tool employing a hydraulically deformable member and an expandable metal circlet
US12305487B2 (en) * 2022-09-07 2025-05-20 Halliburton Energy Services, Inc. Multilateral junction including a non-threaded-coupling
US12065910B2 (en) 2022-09-07 2024-08-20 Halliburton Energy Services, Inc. Multilateral junction including a toothed coupling
US12252939B2 (en) 2023-03-15 2025-03-18 Halliburton Energy Services, Inc. Deflector and stinger for connecting downhole wet mate connectors

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010025710A1 (en) * 1998-11-19 2001-10-04 Herve Ohmer Method and apparatus for connecting a main well bore and a lateral branch
US20020112857A1 (en) * 1998-11-19 2002-08-22 Herve Ohmer Method and apparatus for providing plural flow paths at a lateral junction
US20050121190A1 (en) * 2003-12-08 2005-06-09 Oberkircher James P. Segregated deployment of downhole valves for monitoring and control of multilateral wells
US20090066535A1 (en) * 2006-03-30 2009-03-12 Schlumberger Technology Corporation Aligning inductive couplers in a well
US20130192851A1 (en) * 2012-01-26 2013-08-01 Schlumberger Technology Corporation Providing coupler portions along a structure
WO2013184435A1 (en) * 2012-06-08 2013-12-12 Schlumberger Canada Limited Lateral wellbore completion apparatus and method
WO2016043737A1 (en) * 2014-09-17 2016-03-24 Halliburton Energy Services Inc. Completion deflector for intelligent completion of well

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US155119A (en) * 1874-09-15 Improvement in petroleum-wells
US6457540B2 (en) * 1996-02-01 2002-10-01 Robert Gardes Method and system for hydraulic friction controlled drilling and completing geopressured wells utilizing concentric drill strings
US5918669A (en) 1996-04-26 1999-07-06 Camco International, Inc. Method and apparatus for remote control of multilateral wells
CA2304687C (en) 1997-09-09 2008-06-03 Philippe Nobileau Apparatus and method for installing a branch junction from a main well
CA2218278C (en) 1997-10-10 2001-10-09 Baroid Technology,Inc Apparatus and method for lateral wellbore completion
US6192983B1 (en) * 1998-04-21 2001-02-27 Baker Hughes Incorporated Coiled tubing strings and installation methods
US6135208A (en) 1998-05-28 2000-10-24 Halliburton Energy Services, Inc. Expandable wellbore junction
CA2244451C (en) * 1998-07-31 2002-01-15 Dresser Industries, Inc. Multiple string completion apparatus and method
US6684952B2 (en) * 1998-11-19 2004-02-03 Schlumberger Technology Corp. Inductively coupled method and apparatus of communicating with wellbore equipment
US6397384B1 (en) * 1998-12-18 2002-05-28 Adobe Systems Incorporated Run-time addition of interfaces
JP2001168866A (en) * 1999-12-09 2001-06-22 Nec Corp Multi-rate arm exchanging device
US6789621B2 (en) 2000-08-03 2004-09-14 Schlumberger Technology Corporation Intelligent well system and method
US7222676B2 (en) * 2000-12-07 2007-05-29 Schlumberger Technology Corporation Well communication system
US6439932B1 (en) * 2001-06-13 2002-08-27 Baker Hughes Incorporated Multiple protected live circuit wet connect system
US6729410B2 (en) 2002-02-26 2004-05-04 Halliburton Energy Services, Inc. Multiple tube structure
US7000695B2 (en) 2002-05-02 2006-02-21 Halliburton Energy Services, Inc. Expanding wellbore junction
US7487830B2 (en) * 2002-11-11 2009-02-10 Baker Hughes Incorporated Method and apparatus to facilitate wet or dry control line connection for the downhole environment
US7617873B2 (en) * 2004-05-28 2009-11-17 Schlumberger Technology Corporation System and methods using fiber optics in coiled tubing
WO2006116093A1 (en) 2005-04-21 2006-11-02 Baker Hughes Incorporated Lateral control system
US7658083B2 (en) * 2005-07-26 2010-02-09 Ford Global Technologies, Llc Cooling system and method for cooling a battery in a vehicle
US7493956B2 (en) * 2006-03-16 2009-02-24 Baker Hughes Incorporated Subsurface safety valve with closure provided by the flowing medium
US7735555B2 (en) * 2006-03-30 2010-06-15 Schlumberger Technology Corporation Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly
US7900705B2 (en) * 2007-03-13 2011-03-08 Schlumberger Technology Corporation Flow control assembly having a fixed flow control device and an adjustable flow control device
CN101280677A (en) 2007-03-13 2008-10-08 普拉德研究及开发股份有限公司 Flow Control Assemblies with Fixed Flow Control and Adjustable Flow Control
US7909094B2 (en) * 2007-07-06 2011-03-22 Halliburton Energy Services, Inc. Oscillating fluid flow in a wellbore
JP5463620B2 (en) * 2008-02-26 2014-04-09 日産自動車株式会社 Control device for shift-by-wire failure of vehicles with automatic transmission
US7980315B2 (en) * 2008-03-17 2011-07-19 Baker Hughes Incorporated System and method for selectively communicatable hydraulic nipples
RU2381351C1 (en) * 2008-10-31 2010-02-10 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Tool for main and lateral boreholes of one well hermetic connection
US8485259B2 (en) * 2009-07-31 2013-07-16 Schlumberger Technology Corporation Structurally stand-alone FRAC liner system and method of use thereof
US8215408B2 (en) * 2009-11-05 2012-07-10 Schlumberger Technology Corporation Actuation system for well tools
US8967277B2 (en) * 2011-06-03 2015-03-03 Halliburton Energy Services, Inc. Variably configurable wellbore junction assembly
US8701775B2 (en) * 2011-06-03 2014-04-22 Halliburton Energy Services, Inc. Completion of lateral bore with high pressure multibore junction assembly
US9249559B2 (en) 2011-10-04 2016-02-02 Schlumberger Technology Corporation Providing equipment in lateral branches of a well
US9140102B2 (en) 2011-10-09 2015-09-22 Saudi Arabian Oil Company System for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well
US9010726B2 (en) * 2011-11-07 2015-04-21 Schlumberger Technology Corporation Reduced length actuation system
US8720553B2 (en) * 2012-09-26 2014-05-13 Halliburton Energy Services, Inc. Completion assembly and methods for use thereof
WO2014059086A1 (en) * 2012-10-12 2014-04-17 Schlumberger Canada Limited Non-threaded tubular connection
GB2525312B (en) 2012-10-12 2017-06-28 Schlumberger Holdings Multilateral Y-block system
CA2894490A1 (en) * 2013-01-10 2014-07-17 Halliburton Energy Services, Inc. Protection assembly for downhole wet connectors
US20150012931A1 (en) * 2013-07-03 2015-01-08 Luis Miguel Ortiz Methods and systems enabling access by portable wireless handheld devices to data associated with programming rendering on flat panel displays
US9303490B2 (en) * 2013-09-09 2016-04-05 Baker Hughes Incorporated Multilateral junction system and method thereof
US9284793B2 (en) * 2013-11-13 2016-03-15 Halliburton Energy Services, Inc. Externally serviceable slip ring apparatus
SG11201609326XA (en) 2014-07-10 2016-12-29 Halliburton Energy Services Inc Multilateral junction fitting for intelligent completion of well
CA3004803A1 (en) 2015-11-23 2017-06-01 Welltec A/S Annular barrier completion with inductive system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010025710A1 (en) * 1998-11-19 2001-10-04 Herve Ohmer Method and apparatus for connecting a main well bore and a lateral branch
US20020112857A1 (en) * 1998-11-19 2002-08-22 Herve Ohmer Method and apparatus for providing plural flow paths at a lateral junction
US20050121190A1 (en) * 2003-12-08 2005-06-09 Oberkircher James P. Segregated deployment of downhole valves for monitoring and control of multilateral wells
US20090066535A1 (en) * 2006-03-30 2009-03-12 Schlumberger Technology Corporation Aligning inductive couplers in a well
US20130192851A1 (en) * 2012-01-26 2013-08-01 Schlumberger Technology Corporation Providing coupler portions along a structure
WO2013184435A1 (en) * 2012-06-08 2013-12-12 Schlumberger Canada Limited Lateral wellbore completion apparatus and method
WO2016043737A1 (en) * 2014-09-17 2016-03-24 Halliburton Energy Services Inc. Completion deflector for intelligent completion of well

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016007165A1 *

Also Published As

Publication number Publication date
BR112016028863A2 (en) 2017-08-22
GB2545339A (en) 2017-06-14
CN106460470B (en) 2018-10-26
CA2951021C (en) 2019-07-02
EP3137715A1 (en) 2017-03-08
AR101110A1 (en) 2016-11-23
RU2651677C1 (en) 2018-04-23
US10472933B2 (en) 2019-11-12
GB201620492D0 (en) 2017-01-18
MX383465B (en) 2025-03-14
CN106460470A (en) 2017-02-22
AU2014400608A1 (en) 2016-12-01
NO20161885A1 (en) 2016-11-28
CA2951021A1 (en) 2016-01-14
WO2016007165A1 (en) 2016-01-14
AU2014400608B2 (en) 2018-03-01
BR112016028863B1 (en) 2021-11-23
MX2016016167A (en) 2017-03-08
US20200032620A1 (en) 2020-01-30
SG11201609326XA (en) 2016-12-29
GB2545339B (en) 2020-11-11
US20170107794A1 (en) 2017-04-20

Similar Documents

Publication Publication Date Title
EP3137715A4 (en) Multilateral junction fitting for intelligent completion of well
GB2544911B (en) Completion deflector for intelligent completion of well
EP3262071B8 (en) Method of using anti-cd79b immunoconjugates
EP3178817A4 (en) Amorphous form of tetracyclic compound
EP3136857A4 (en) Crystalline form of baricitinib
EP3193855A4 (en) Bicyclic compounds
EP3239147A4 (en) Quinoline derivative
EP3176486A4 (en) Coupling fitting
EP3126623A4 (en) Forming multilateral wells
EP3231562A4 (en) Automatic production system
EP3237195A4 (en) Methods for producing pressware
EP3164128A4 (en) Amorphous form of eliglustat hemitartarate
EP3113773A4 (en) Crystalline forms of grapiprant
GB201708605D0 (en) Multilateral junction with wellbore isolation
EP3173380A4 (en) Trichlorosilane preparation method
EP3225618A4 (en) Bicyclic compound
EP3181554A4 (en) Quinazoline derivative
EP3180296A4 (en) Methods of producing alkylfurans
EP3123499A4 (en) Through-body via formation techniques
EP3104368A4 (en) Carbon-fiber-composite heat-collecting tile and method for producing same
EP3242937A4 (en) Methods for producing abienol
EP3214139A4 (en) Azo compound production method
EP3222760A4 (en) Acrylic-fiber manufacturing method
EP3165045A4 (en) Connection configuration method
EP3174878A4 (en) A process for the preparation of palbociclib

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20161201

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20180321

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 47/12 20120101ALI20180315BHEP

Ipc: E21B 41/00 20060101ALI20180315BHEP

Ipc: E21B 19/16 20060101ALI20180315BHEP

Ipc: E21B 17/02 20060101AFI20180315BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20181116

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: E05F 15/689 20150101AFI20201029BHEP

INTG Intention to grant announced

Effective date: 20201110

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20210202